Move WebDialogWebContentsDelegate to ui/web_dialogs.

ui/web_dialogs/web_dialog_web_contents_delegate.cc

Index: ui/web_dialogs/web_dialog_web_contents_delegate.cc
diff --git a/chrome/browser/ui/webui/web_dialog_web_contents_delegate.cc b/ui/web_dialogs/web_dialog_web_contents_delegate.cc
similarity index 95%
rename from chrome/browser/ui/webui/web_dialog_web_contents_delegate.cc
rename to ui/web_dialogs/web_dialog_web_contents_delegate.cc
index 1742e2282089dcb34fc6383931bde99574d4b09d..19d97a58b8156f539ec0489143e775c5bd0fde2a 100644
--- a/chrome/browser/ui/webui/web_dialog_web_contents_delegate.cc
+++ b/ui/web_dialogs/web_dialog_web_contents_delegate.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/ui/webui/web_dialog_web_contents_delegate.h"
+#include "ui/web_dialogs/web_dialog_web_contents_delegate.h"
 
 #include "base/logging.h"
 #include "content/public/browser/web_contents.h"
@@ -11,6 +11,8 @@ using content::BrowserContext;
 using content::OpenURLParams;
 using content::WebContents;
 
+namespace ui {
+
 // Incognito profiles are not long-lived, so we always want to store a
 // non-incognito profile.
 //
@@ -57,3 +59,5 @@ bool WebDialogWebContentsDelegate::ShouldAddNavigationToHistory(
     content::NavigationType navigation_type) {
   return false;
 }
+
+}  // namespace ui